Improvement in apparatus for heating water



A.. RWA'LKBR. Apparatusfor Heating Water.

No. 203,392. Patented May 7,1878.

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ALEXANDER R. WALKER, OF MELBOURNE, ASSIGNOR OF ONE-HALF HIS RIGHT TOJOHN MCFADYEN, OF HOTHAM, IN THE BRITISH COLONY OF VICTORIA.

IMPROVEMENT IN APPARATUS FOR HEATING WATER.

Specication forming part of Letters Patent No. 203,392, dated May 7,1878; application iiled September 4, 1677.

.Z'o all lwhom t may concern.'

Be it known that I, ALEXANDER RUssELL WALKER, of No. 40 Latrobe streetwest, in the city of Melbourne and Colony of Victoria, engineer, haveinvented an Improved Apparatus for Heating Water, which invention isfully set forth in the following specification, reference being had tothe accompanying drawings.

This invention has been designed for the purpose of reducing the cost ofheating water by a gas or oil flame, and is not intended to be used as asubstitute for ordinary boilers where a coal or coke re is available.

My improved apparatus for heating water by a gas-flame is clearly shownin my drawings, hereto annexed, although it is to be distinctlyunderstood that oil may be used instead of gas.

Referring to these drawings, Figure l shows an elevation of myapparatus, Fig. 2, a vertical section thereof 5 Fig. 3, a horizontalsection on the line b b in Fig. 2 Fig. 4., a horizontal section on theline a a in Fig. 2, and Fig. 5, a cross-section of supply-inlet.

The black arrows denote the course of the water, and the dotted arrowsthat of the gas and heated air.

The apparatus is all of metal, the outer casgalvanized iron, and theinner one, B, of copper. G is the gas-supply pipe 5 D, a Buns'en burner;E, a copper basin, connected at its base to the annular water-spacebetween the inner and outer casing by pipes F, and having adischarge-pipe, G, for the heated water. For the purpose of preventingthe entrance of the water into the inner casing I provide it with acopper cap or cover,

H, supported as shown; and for the purpose of interrupting the descentof the water I attach to the outer casin g an inclined copper plate, J.

K is the watersupply` pipe, having tapering nozzle, as shown, toincrease the force of the supply into chamber L, down which it falls ona hemisphere or convex surface, M,

supported by two wires connected to lugs on casting of nozzle. The fallof the water on this hemisphere or convex `surface produces asatisfactory shower, without the danger of choking which attaches to aperforated plate. Descending in this part of the apparatus, it abstractssome of the heat from the escaping heated air, and then falls on cap Hand plate J, trckling down the outer side of the inner casing B intoVthe annular space between it and the outer casing, and passing throughpipes F into basin E, and thence through dischargepipe G into a bath orother receiver.

The supply of water and of gas must be so regulated as to give acontinuous discharge of water heated to the required degree.

I prefer to make the parts in the relative proportions shown in mydrawings.

I do not connue myself to the use of any particular kind of metal in theconstruction of my apparatus, as it is more a question of price thansuitability as to the kind of metal used. Neither do I confine myself tothe use of a hemisphere for producing the shower, although I believe itto be the best 5 but I claim- 1. `In combination with the discharge-pipefor the products of combustion, the `overhanging shield H for receivingand discharging the water-current, and the inclined annular plate J forinterrupting the current and directing it upon the discharge-pipe forthe products of combustion, substantially as described.

2. The apparatus described, consisting essentially of the outer casingA, theinner casing B, the gas-supply pipe C D, the basin E,

having the discharge-pipe G, the water-supply pipe K, and the diaphragmM, all combined and arranged substantially as described.

. A. E. WALKER. Witnesses:

Enwn WArERs, p W. S. BAYsToN.

